import java.util.ArrayList;
import java.util.List;
//简单的洗牌算法
public class Card {
    public int rank;//数字
    public String suit;//花色

    public Card(int rank, String suit) {
        this.rank = rank;
        this.suit = suit;
    }

    @Override
    public String toString() {
        return "{"+suit+" "+rank+"}";
    }


}
